Resolving Structures of Paramagnetic Systems in Chemistry and Materials Science by Solid‐State NMR: The Revolving Power of Ultra‐Fast MAS
2025

Ultra-Fast NMR for Paramagnetic Materials

publication Evidence: high

Author Information

Author(s): J. Koppe, K. J. Sanders, T. C. Robinson, A. L. Lejeune, D. Proriol, S. Wegner, A. Purea, F. Engelke, R. J. Clément, C. P. Grey, A. J. Pell, G. Pintacuda

Primary Institution: Centre de RMN Très Hauts Champs de Lyon (UMR5082—CNRS ENS Lyon UCB Lyon 1)

Hypothesis

Can ultra-fast magic-angle spinning (MAS) improve the analysis of paramagnetic organic and inorganic powders using solid-state NMR?

Conclusion

Ultra-fast MAS significantly enhances the spectral resolution and sensitivity for analyzing paramagnetic materials, enabling precise characterization of their structures.

Supporting Evidence

  • Ultra-fast MAS allows site-specific assignments of all resonances from complex paramagnetic solids.
  • Improvements in rotor materials and handling methods facilitate routine characterization of sensitive samples.
  • Enhanced resolution enables precise characterization of geometry and electronic structures of functional paramagnetic systems.

Takeaway

This study shows that spinning samples really fast helps scientists see tiny details in materials that have special metal ions, which is important for things like batteries.

Methodology

The study utilized ultra-fast magic-angle spinning (MAS) solid-state NMR to analyze various paramagnetic materials, demonstrating improved spectral resolution and sensitivity.

Limitations

The study primarily focuses on specific types of paramagnetic materials and may not generalize to all solid-state NMR applications.

Digital Object Identifier (DOI)

10.1002/anie.202408704

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